Patent Grant
D335366
| Number | Name | Date | Kind |
|---|---|---|---|
| D213085 | Wyckoff | Jan 1969 | |
| D253436 | Lynn | Dec 1979 | |
| D266326 | Gooding | Oct 1982 | |
| D271347 | Bourque | Nov 1983 | |
| D272769 | Sundahl et al. | Feb 1984 | |
| D285980 | McNabb | Oct 1986 | |
| D289568 | Nimmons | Apr 1987 | |
| D289569 | Nimmons | Apr 1987 | |
| D293496 | Gentes | Dec 1987 | |
| D299978 | Chiarella | Feb 1989 | |
| D303851 | Gentes | Oct 1989 | |
| D309961 | Bobnck | Aug 1990 | |
| 935556 | Smith | Sep 1909 | |
| 1347046 | McDonough | Jul 1920 | |
| 1434607 | Gilson | Nov 1922 | |
| 2150290 | Mulvey | Mar 1939 | |
| 2594478 | Moore | Apr 1952 | |
| 2769176 | Grancsay et al. | Nov 1956 | |
| 2846683 | Dye et al. | Aug 1958 | |
| 2863151 | Morgan, Jr. | Dec 1958 | |
| 2923941 | Roth et al. | Feb 1960 | |
| 2991478 | Zbikowski | Jul 1961 | |
| 3082428 | Zbikowski | Mar 1963 | |
| 3139624 | Humphrey | Jul 1964 | |
| 3186004 | Carlini | Jun 1965 | |
| 3263236 | Humphrey | Jun 1965 | |
| 3274612 | Merriam | Sep 1966 | |
| 3289212 | Morgan | Dec 1966 | |
| 3310811 | Iacono, Jr. | Mar 1967 | |
| 3344433 | Stapenhill | Oct 1967 | |
| 3462763 | Schneider et al. | Aug 1969 | |
| 3496854 | Feldmann et al. | Feb 1970 | |
| 3600714 | Cade et al. | Aug 1971 | |
| 3668704 | Conroy et al. | Jun 1972 | |
| 3729744 | Rappleyea | May 1973 | |
| 3729746 | Humphrey | Aug 1966 | |
| 3761959 | Dunning | Oct 1973 | |
| 3783450 | O'Connor | Jan 1974 | |
| 3806950 | Spencer-Foote | Apr 1979 | |
| 3854146 | Dunning | Dec 1974 | |
| 3873997 | Gooding | Apr 1975 | |
| 3925821 | Lewicki | Dec 1975 | |
| 3994020 | Villari | Nov 1976 | |
| 4023213 | Rovani | May 1977 | |
| 4044400 | Lewicki et al. | Aug 1977 | |
| 4075414 | Ryder et al. | Feb 1978 | |
| 4086664 | Humphrey | May 1978 | |
| 4115874 | Hasegawa | Sep 1978 | |
| 4117553 | Bay | Oct 1978 | |
| 4141085 | Adams, Sr. | Feb 1979 | |
| 4271537 | Bowlus et al. | Jun 1981 | |
| 4305160 | Sundahl | Dec 1981 | |
| 4370759 | Zide | Feb 1983 | |
| 4390995 | Walck | Jul 1983 | |
| 4434514 | Sundahl et al. | Mar 1984 | |
| 4443891 | Blomgren et al. | Apr 1984 | |
| 4566137 | Gooding | Jan 1986 | |
| 4633531 | Nimmons | Jan 1987 | |
| 4653123 | Broersma | Mar 1987 | |
| 4667348 | Sundahl | May 1987 | |
| 4766614 | Cantwell et al. | Aug 1988 | |
| 4897888 | Broersma et al. | Feb 1990 | |
| 4901373 | Broersma | Feb 1990 | |
| 4903348 | Broersma | Feb 1990 | |
| 4903350 | Gentes et al. | Feb 1990 |
| Number | Date | Country |
|---|---|---|
| 528639 | Jul 1956 | CAX |
| 1059254 | Jul 1979 | CAX |
| 3605849A1 | Feb 1986 | DEX |
| 646754 | Jan 1928 | FRX |
| 8017134 | Feb 1982 | FRX |
| 8204838 | Sep 1983 | FRX |
| 29452 | Oct 1971 | JPX |
| 30570 | Oct 1971 | JPX |
| 721048 | Dec 1954 | GBX |
| 2075820A | Nov 1981 | GBX |
| Entry |
|---|
| American Bicyclist & Motorcyclist, Mar. 1985, p. 47, "Romer helmet". |
