Number | Name | Date | Kind |
---|---|---|---|
RE26056 | Hickman | Jul 1966 | |
164602 | Shepard | Jun 1875 | |
674379 | Hard | May 1901 | |
1299425 | Carpenter | Apr 1919 | |
1337840 | Hawley | Apr 1920 | |
1740753 | Vallas | Dec 1929 | |
1782246 | Schneider | Nov 1930 | |
2136122 | Almdale | Nov 1938 | |
2160758 | Schurman | May 1939 | |
2219992 | Hanson | Oct 1940 | |
2250548 | Ness | Jul 1941 | |
2554779 | Goodwin | May 1951 | |
2734602 | Dawson | Feb 1956 | |
2793403 | Livingston | Mar 1953 | |
2855776 | Trostle | Oct 1958 | |
2857861 | Trostle | Oct 1958 | |
3012376 | Reddy et al. | Dec 1961 | |
3024573 | McKinley | Mar 1962 | |
3090161 | Edwards | May 1963 | |
3237352 | Edwards | Mar 1966 | |
3389515 | Hellebrand | Jun 1968 | |
3405485 | Edwards | Oct 1968 | |
3444658 | Gobel | May 1969 | |
3447273 | Thom | Jun 1969 | |
3488902 | Gobel | Jan 1970 | |
3503162 | Ward | May 1970 | |
3533201 | Tyler | Oct 1970 | |
3571992 | Comiskey | Mar 1971 | |
3608225 | Chomes | Sep 1971 | |
3624973 | Attaway | Dec 1971 | |
3668811 | Pollard | Jun 1972 | |
3696575 | Armstrong | Oct 1972 | |
3712003 | Hallock et al. | Jan 1973 | |
3719010 | Hickman | Mar 1973 | |
3731439 | Hickman | May 1973 | |
3742668 | Oliver | Jul 1973 | |
3802140 | Hickman | Apr 1974 | |
3812634 | Resech | May 1974 | |
4037372 | Patry | Jul 1977 | |
4071987 | Hickman | Feb 1978 | |
4241549 | Hall, III et al. | Dec 1980 |
Number | Date | Country |
---|---|---|
603078 | Aug 1960 | CAX |
1509147 | Nov 1969 | DEX |
1918761 | Oct 1970 | DEX |
1933004 | Jan 1971 | DEX |
1659340 | Jan 1971 | DEX |
2060292 | Jun 1972 | DEX |
2118981 | Oct 1972 | DEX |
2234975 | Feb 1974 | DEX |
2316266 | Oct 1974 | DEX |
2335223 | Jan 1975 | DEX |
1128360 | Aug 1956 | FRX |
7610357 | Apr 1977 | NLX |
7432 | Jan 1911 | GBX |
1024071 | Jan 1964 | GBX |
1104027 | Feb 1968 | GBX |
1180965 | Feb 1970 | GBX |
1203344 | Aug 1970 | GBX |
1347974 | Feb 1974 | GBX |
Entry |
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Braas & Co. GmbH brochure entitled "PVC Flat-Roof Systems", (date unknown), 10 pages. |
Braas Systems, Inc. brochure No. 1004NA, entitled "Purpose-Made Accessories for Braas Flat Roofs", dated 1/81 and 7/79?, 10 pages. |
W. P. Hickman Co., "Hickman Aluminum Construction Products" 1980. |
One-Sheet Copy of FIGS. 1, 2 and 3 from applicant's copending patent application, Ser. No. 256,893, filed Apr. 23, 1981. |
Three-Sheet Copy of FIGS. 1 through 10a from applicant's copending patent application, Ser. No. 191,714, filed Sep. 29, 1980. |