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Inventor
FEUER MARK S
US
2 patents
⚠️ This page may combine multiple inventors who share the name “FEUER MARK S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FITTRAXX INC
1 patent
US4960276A
Oct 2, 1990
Cross country ski exercise apparatus
FITTRAXX INC
97 citations
90
FITTRAXX
1 patent
US5368533A
Nov 29, 1994
Quadrilateral exercise apparatus
FITTRAXX
35 citations
84