Number | Name | Date | Kind |
---|---|---|---|
3768100 | Colman et al. | Oct 1973 | A |
4555816 | Broersma | Dec 1985 | A |
4587677 | Clement | May 1986 | A |
D311792 | Gallet | Oct 1990 | S |
5148550 | Hodgkinson et al. | Sep 1992 | A |
D355731 | Gringras | Feb 1995 | S |
5655227 | Sundberge et al. | Aug 1997 | A |
D407858 | Cyr et al. | Apr 1999 | S |
D411339 | Copeland et al. | Jun 1999 | S |
Entry |
---|
“Universal Gas Masks, WIG and WAG Series”, Willson Products for Industrial Safety catalog #57, Mar. 1957. |
Number | Date | Country | |
---|---|---|---|
Parent | 29/108247 | Jul 1999 | US |
Child | 29/127604 | US |