DH

Donald W. Hildebrandt

SS S. C. Johnson & Son: 7 patents #237 of 1,588Top 15%
TS The Schawbel: 2 patents #6 of 14Top 45%
📍 Racine, WI: #131 of 1,018 inventorsTop 15%
🗺 Wisconsin: #5,297 of 40,088 inventorsTop 15%
Overall (All Time): #587,310 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6551560 Two-stage dispensing mat Stanley J. Flashinski, Daniel T. Ropiak 2003-04-22
6286248 Rope-like fumigant Harry Bryant, Douglas P. Gundlach 2001-09-11
6061950 Burnable coil holder Michael R. Carey, Paul E. Furner, Amelia H. Majerowski, Russell Petersen 2000-05-16
5928605 Device for dispensing a volatile substance James Bonnema, Wen Der Wang, Scott W. Demarest, Paul E. Furner 1999-07-27
D404459 Container for burnable insect coils Paul E. Furner, Roy A. Causey, III 1999-01-19
5700430 Device for dispensing a volatile substance James Bonnema, Wen Der Wang, Scott W. Demarest, Paul E. Furner 1997-12-23
4851218 Method for controlling insects of the family vespidae utilizing interspecific insecticidal bait Richard E. Keyel 1989-07-25
4696126 Method of trapping flying insects Roger H. Grothaus 1987-09-29
4689915 Trap for houseflies Roger H. Grothaus 1987-09-01