Inventor
VOGEL JERALD
US2 patents
Patents
2 patentsUS5929339AJul 27, 1999
Method and means for measuring dynamic and static air pressure on a ground surface beneath a lawn mower system
UNIV IOWA STATE RES FOUND INC5 citations70
US6065347AMay 23, 2000
Method and means for measuring dynamic and static air pressure on a ground surface beneath a negative air system
UNIV IOWA STATE RES FOUND INC1 citations48